#5 Mega Zygarde ex SAR (3,500 / ~$23) The budget version of the flagship card
He etches his secrets onto the shimmering shells of mussels, saving them to share with the Great Snail
I would guess that these cards are all listed separately because a) they were all created exclusively for GB1 and b) the only other cards that were created for GB1 were made into physical cards (Dragonite, with the GB symbol
Being cheaper means it's easier to keep mana up for it to cast at a moment's notice, either to shut down an opponents' board of scary creatures or to save your own creatures from a board wipe
And to give you an idea of how critical he was to the team, when we were getting new desks and I was asked about any requirements for where my new desk would be, one of my requirements was "I need to sit next to Hindy." Hindy, along with Andrew Brown and Jadine Klomparens, did a fantastic job figuring out what this set would mean for Standard and worked with the whole Play Design team to put it through its paces
Its one of the many reasons that I love opening packs, but I also always love finding alternate or foil versions of cards when Im browsing singles, especially when their cost is equal to or cheaper than the other options